The Taean Heavy Machine Complex, by dint of science and technology, has stepped up the production of major custom-built equipment to be supplied to hydro-power stations under construction and the Sunchon Cement Complex.

The Ryongsong Machine Complex is pushing forward with the production of compressors and other machines for the coal industrial sector and other units, while making various jigs, equipment and machine parts by itself.

The workers and technicians of the Ranam Coal-mining Machine Complex have pushed ahead with the production of custom-built equipment and machine parts to be sent to the Chonnaeri Cement Factory and other units by pooling their creativity.

The Ryangchaek Bearing Factory and other units boost the production, strengthening their own technical forces and ensuring full supply of raw and other materials.